This article is the third in the series on the fourth commandment. We have learned in the previous two articles how the Sabbath was changed from the seventh day to the first, and we also learned the reasons for observing this day. In this article we shall study the instructions for this special day. The Scripture is overflowing with detailed instructions as to how we are to observe this day. The essence of the Sabbath is rest and the instructions for the keeping of the Sabbath revolve around preparation. Here are twelve points to ponder about the observance of the Sabbath.